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RU2012100757A - EXPANDABLE MATERIALS AND METHOD FOR PRODUCING THEM - Google Patents

EXPANDABLE MATERIALS AND METHOD FOR PRODUCING THEM Download PDF

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Publication number
RU2012100757A
RU2012100757A RU2012100757/03A RU2012100757A RU2012100757A RU 2012100757 A RU2012100757 A RU 2012100757A RU 2012100757/03 A RU2012100757/03 A RU 2012100757/03A RU 2012100757 A RU2012100757 A RU 2012100757A RU 2012100757 A RU2012100757 A RU 2012100757A
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RU
Russia
Prior art keywords
clinker
expandable material
material according
calcium carbonate
heat treatment
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Application number
RU2012100757/03A
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Russian (ru)
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RU2531223C2 (en
Inventor
Такаюки ХИГУТИ
Таиитиро МОРИ
Хидеаки ИСИДА
Реэцу ЙОСИНО
Минору МОРИОКА
Original Assignee
Денки Кагаку Когио Кабусики Кайся
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Publication of RU2012100757A publication Critical patent/RU2012100757A/en
Application granted granted Critical
Publication of RU2531223C2 publication Critical patent/RU2531223C2/en

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B7/00—Hydraulic cements
    • C04B7/36—Manufacture of hydraulic cements in general
    • C04B7/48—Clinker treatment
    • C04B7/52—Grinding ; After-treatment of ground cement
    • C04B7/527—Grinding ; After-treatment of ground cement obtaining cements characterised by fineness, e.g. by multi-modal particle size distribution
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/02—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding chemical blowing agents
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
    • C04B40/0028—Aspects relating to the mixing step of the mortar preparation
    • C04B40/0039—Premixtures of ingredients
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B7/00—Hydraulic cements
    • C04B7/36—Manufacture of hydraulic cements in general
    • C04B7/48—Clinker treatment
    • C04B7/52—Grinding ; After-treatment of ground cement
    • C04B7/522—After-treatment of ground cement
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
    • Y02P40/18—Carbon capture and storage [CCS]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

1. Расширяющийся материал, отличающийся тем, что он получен путем тепловой обработки клинкера или порошкообразного клинкера, содержащего свободную известь, гидравлическое вещество и безводный сульфат кальция, в атмосфере газообразного диоксида углерода для образования в нем карбоната кальция.2. Расширяющийся материал по п.1, который включает частицу, в которой свободная известь, гидравлическое вещество, безводный сульфат кальция и карбонат кальция присутствуют одновременно.3. Расширяющийся материал по п.1, который содержит карбонат кальция в количестве от 0,5 до 10 мас.%.4. Расширяющийся материал по п.1, который обладает удельной площадью поверхности по Блейну от 1500 до 9000 см/г.5. Расширяющийся материал по п.1, в котором безводный сульфат кальция дополнительно добавлен к клинкеру или порошкообразному клинкеру, подвергнутому тепловой обработке в атмосфере газообразного диоксида углерода для образования в нем карбоната кальция.6. Расширяющийся материал по п.1, в котором ослабляющий усадочную деформацию агент дополнительно добавлен к клинкеру или порошкообразному клинкеру, подвергнутому тепловой обработке в атмосфере газообразного диоксида углерода для образования в нем карбоната кальция.7. Композиция цемента, в которой расширяющийся материал по пп.1-6 смешан с цементом.8. Способ получения расширяющегося материала по пп.1-6, отличающийся тем, что клинкер или порошкообразный клинкер, содержащий свободную известь, гидравлическое вещество и безводный сульфат кальция, подвергают тепловой обработке для образования в нем карбоната кальция.9. Способ получения расширяющегося материала по п.8, в котором клинкер или порошкоо1. Expandable material, characterized in that it is obtained by heat treatment of a clinker or powder clinker containing free lime, a hydraulic substance and anhydrous calcium sulfate in an atmosphere of gaseous carbon dioxide to form calcium carbonate in it. The expandable material according to claim 1, which comprises a particle in which free lime, a hydraulic substance, anhydrous calcium sulfate and calcium carbonate are present simultaneously. The expandable material according to claim 1, which contains calcium carbonate in an amount of from 0.5 to 10 wt.%. 4. The expandable material according to claim 1, which has a specific surface area according to Blaine from 1500 to 9000 cm / g. The expandable material according to claim 1, wherein the anhydrous calcium sulfate is further added to the clinker or powder clinker subjected to heat treatment in an atmosphere of gaseous carbon dioxide to form calcium carbonate therein. The expandable material according to claim 1, in which the agent that reduces shrinkage deformation is additionally added to the clinker or powder clinker subjected to heat treatment in an atmosphere of gaseous carbon dioxide to form calcium carbonate therein. A cement composition in which the expandable material according to claims 1-6 is mixed with cement. A method for producing an expandable material according to claims 1 to 6, characterized in that the clinker or powder clinker containing free lime, a hydraulic substance and anhydrous calcium sulfate is subjected to heat treatment to form calcium carbonate therein. A method of producing an expandable material according to claim 8, in which clinker or powder

Claims (9)

1. Расширяющийся материал, отличающийся тем, что он получен путем тепловой обработки клинкера или порошкообразного клинкера, содержащего свободную известь, гидравлическое вещество и безводный сульфат кальция, в атмосфере газообразного диоксида углерода для образования в нем карбоната кальция.1. Expandable material, characterized in that it is obtained by heat treatment of a clinker or powder clinker containing free lime, a hydraulic substance and anhydrous calcium sulfate in an atmosphere of gaseous carbon dioxide to form calcium carbonate in it. 2. Расширяющийся материал по п.1, который включает частицу, в которой свободная известь, гидравлическое вещество, безводный сульфат кальция и карбонат кальция присутствуют одновременно.2. The expandable material according to claim 1, which includes a particle in which free lime, a hydraulic substance, anhydrous calcium sulfate and calcium carbonate are present simultaneously. 3. Расширяющийся материал по п.1, который содержит карбонат кальция в количестве от 0,5 до 10 мас.%.3. The expandable material according to claim 1, which contains calcium carbonate in an amount of from 0.5 to 10 wt.%. 4. Расширяющийся материал по п.1, который обладает удельной площадью поверхности по Блейну от 1500 до 9000 см2/г.4. The expandable material according to claim 1, which has a specific surface area according to Blaine from 1500 to 9000 cm 2 / g 5. Расширяющийся материал по п.1, в котором безводный сульфат кальция дополнительно добавлен к клинкеру или порошкообразному клинкеру, подвергнутому тепловой обработке в атмосфере газообразного диоксида углерода для образования в нем карбоната кальция.5. The expandable material according to claim 1, in which anhydrous calcium sulfate is additionally added to the clinker or powder clinker, subjected to heat treatment in an atmosphere of gaseous carbon dioxide to form calcium carbonate in it. 6. Расширяющийся материал по п.1, в котором ослабляющий усадочную деформацию агент дополнительно добавлен к клинкеру или порошкообразному клинкеру, подвергнутому тепловой обработке в атмосфере газообразного диоксида углерода для образования в нем карбоната кальция.6. The expandable material according to claim 1, in which the agent that reduces shrinkage deformation is additionally added to the clinker or powder clinker, subjected to heat treatment in an atmosphere of gaseous carbon dioxide to form calcium carbonate in it. 7. Композиция цемента, в которой расширяющийся материал по пп.1-6 смешан с цементом.7. The composition of the cement, in which the expanding material according to claims 1-6 is mixed with cement. 8. Способ получения расширяющегося материала по пп.1-6, отличающийся тем, что клинкер или порошкообразный клинкер, содержащий свободную известь, гидравлическое вещество и безводный сульфат кальция, подвергают тепловой обработке для образования в нем карбоната кальция.8. A method of producing an expandable material according to claims 1-6, characterized in that the clinker or powder clinker containing free lime, a hydraulic substance and anhydrous calcium sulfate is subjected to heat treatment to form calcium carbonate in it. 9. Способ получения расширяющегося материала по п.8, в котором клинкер или порошкообразный клинкер помещают в карбонизационный резервуар, при этом расход газообразного диоксида углерода составляет от 0,01 до 0,1 л/мин на литр резервуара, преобладающая в резервуаре температура составляет от 200 до 800°С, для образования в нем карбоната кальция. 9. The method of producing the expandable material of claim 8, wherein the clinker or powder clinker is placed in a carbonization tank, wherein the flow rate of carbon dioxide gas is from 0.01 to 0.1 l / min per liter of tank, the temperature prevailing in the tank is from 200 to 800 ° C, for the formation of calcium carbonate in it.
RU2012100757/03A 2009-06-12 2010-05-20 Concrete-expanding additive and method of its obtaining RU2531223C2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2009141422 2009-06-12
JP2009-141422 2009-06-12
PCT/JP2010/058516 WO2010143506A1 (en) 2009-06-12 2010-05-20 Expansive admixture and method for producing same

Publications (2)

Publication Number Publication Date
RU2012100757A true RU2012100757A (en) 2013-07-20
RU2531223C2 RU2531223C2 (en) 2014-10-20

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US (1) US8663383B2 (en)
EP (1) EP2441738B1 (en)
JP (1) JP5580306B2 (en)
KR (1) KR101719832B1 (en)
CN (1) CN102459116B (en)
BR (1) BRPI1010848B1 (en)
RU (1) RU2531223C2 (en)
TW (1) TWI478891B (en)
WO (1) WO2010143506A1 (en)

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EP2441738A4 (en) 2013-10-30
BRPI1010848A2 (en) 2016-08-23
KR20120036833A (en) 2012-04-18
US8663383B2 (en) 2014-03-04
JP5580306B2 (en) 2014-08-27
TW201107266A (en) 2011-03-01
US20120067251A1 (en) 2012-03-22
TWI478891B (en) 2015-04-01
KR101719832B1 (en) 2017-03-24
WO2010143506A1 (en) 2010-12-16
CN102459116A (en) 2012-05-16
JPWO2010143506A1 (en) 2012-11-22
CN102459116B (en) 2014-10-01
RU2531223C2 (en) 2014-10-20
BRPI1010848B1 (en) 2019-10-08
EP2441738B1 (en) 2018-07-04
EP2441738A1 (en) 2012-04-18

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